| Patents for H03M 1 - Analogue/digital conversion; Digital/analogue conversion (31,168) |
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| 03/15/1994 | US5295158 Dynamically selectable multimode pluse width modulation system |
| 03/15/1994 | US5294929 Control system for peripheral devices |
| 03/15/1994 | US5294928 A/D converter with zero power mode |
| 03/15/1994 | US5294927 Multi-channel digital to analog converter |
| 03/15/1994 | US5294926 Timing and amplitude error estimation for time-interleaved analog-to-digital converters |
| 03/15/1994 | US5294793 System for measuring lengths or angles with a high-velocity movable scanning unit |
| 03/10/1994 | DE4330425A1 Measuring frequency of time varying electronic signal - dividing input signal into several simultaneous signals, sampling simultaneously at different frequencies, generating DFT-coded signals and forming into known radix representation of frequency |
| 03/10/1994 | DE4329823A1 Pulse width modulator with temporary memory - has pulse width data input bus, with data inversion and clock pulse signal counter |
| 03/09/1994 | EP0586113A2 Analog-to-digital converter |
| 03/09/1994 | EP0585622A2 Method for length or angle measurement devices |
| 03/08/1994 | US5293228 Method for the coding of color images at high compression rate without filtering, corresponding decoding method, coder, decoder and applications |
| 03/08/1994 | US5293169 Switched capacitor circuit for precision resistance |
| 03/08/1994 | US5293167 Automatic A/D converter operation with selectable result format |
| 03/08/1994 | US5293166 Digital-to-analog converter and bias compensator therefor |
| 03/03/1994 | DE4228719A1 Capacitive steering angle sensor for motor vehicle - forms first capacitor group from electronics transmitter electrodes and scale receiver electrodes, and second capacitor group from scale transmitter electrodes and electronics receiver electrodes |
| 03/03/1994 | DE4228622A1 Length and angle infrared measurement system - provides trapezium-shaped intensity distribution by angling planar luminescent diode to grating, and specifies condition relating beam width, distance of diode to grating and distance of scanning plane from grating |
| 03/03/1994 | DE4228362A1 Integrated tone generator circuit - combines binary tone elements with respective current source outputs supplied to loudspeaker via current amplifier |
| 03/02/1994 | EP0584595A1 Signal processing method and displacement detection apparatus |
| 03/01/1994 | US5291284 Predictive coding and decoding with error drift reduction |
| 03/01/1994 | US5291232 Device for controlling an operation of a movable member |
| 03/01/1994 | US5291198 Averaging flash analog-to-digital converter |
| 03/01/1994 | US5291197 One-chip data processor with built-in A/D converter for automatically repeating A/D conversions without instructions from a CPU |
| 03/01/1994 | CA1327395C System for custom recording |
| 02/22/1994 | US5289546 Apparatus and method for smooth audio scaling |
| 02/22/1994 | US5289187 Method and means for converting an analog signal into a digital signal |
| 02/15/1994 | US5287108 Multistep analog-to-digital converter with successive approximation register circuit for least significant bit resolution |
| 02/15/1994 | US5287107 Optical isolation amplifier with sigma-delta modulation |
| 02/15/1994 | US5287106 Circuit for PCM conversion of an analog signal, with improvement in gain-tracking |
| 02/09/1994 | EP0581932A1 Angle of rotation sensor for the absolute measurement of the angle of rotation over several revolutions. |
| 02/08/1994 | US5285115 Comparator device for comparing analog voltages |
| 02/02/1994 | EP0581444A2 High sensitivity superconductive digitizer |
| 02/01/1994 | US5283631 Programmable capacitance delay element having inverters controlled by adjustable voltage to offset temperature and voltage supply variations |
| 02/01/1994 | US5283583 High-speed A/D conversion using a series of one-bit conversion stages |
| 02/01/1994 | US5283582 Circuitry and method for current input analog to digital conversion |
| 02/01/1994 | US5283581 Analog voltage subtracting circuit and an A/D converter having the subtracting circuit |
| 02/01/1994 | US5283580 Current/resistor digital-to-analog converter having enhanced integral linearity and method of operation |
| 02/01/1994 | US5283579 Digital to analog converter having high multiplying bandwidth |
| 01/27/1994 | DE4224654A1 Position measuring device - has disc with pseudo-random marking sequence forming bit pattern which is converted into binary signals from which code elements are extracted |
| 01/27/1994 | DE4224307A1 Car control element with microcomputer - uses positive car voltage to provide reference voltage to digital=to=analogue converter |
| 01/26/1994 | EP0580269A2 Signal filter |
| 01/26/1994 | EP0579838A1 Solid-state imaging device and solid-state imaging element used therefor |
| 01/25/1994 | US5282060 Analog/digital converter having input signal gain control function |
| 01/25/1994 | US5281968 DC offset correction circuit for A/D converter |
| 01/25/1994 | US5281866 Reference voltage circuit allowing fast power up from low power standby condition |
| 01/25/1994 | US5281860 Method and apparatus for an improved multiple channel sensor interface circuit |
| 01/19/1994 | EP0579570A2 Procedure for the detection and analysis of elements of a metallic nature |
| 01/19/1994 | EP0579235A2 Microcomputer having test circuit for A/D converter |
| 01/19/1994 | EP0579025A2 Digital-analog converter with weighted capacitive network |
| 01/18/1994 | US5280320 Electronically controlled camera having internal photographing mode and display |
| 01/13/1994 | DE4222247A1 Signal angular resolution increasing arrangement - contains three counters with signal dependent value interchange mechanisms. |
| 01/12/1994 | EP0577883A1 Analog to digital converter |
| 01/12/1994 | CN1080796A Phase quantization a/d converting method and device |
| 01/12/1994 | CN1023534C Fet comparator circuitry |
| 01/11/1994 | US5278561 Analog-to-digital converter with parallel with analog signal paths of uniform transmission lines |
| 01/11/1994 | US5278558 High accuracy digital to analog converter adjustment method and apparatus |
| 01/11/1994 | CA1326077C Precision a/d converter utilizing a minimum of interface interconnections |
| 01/10/1994 | CA2099933A1 Procedure for the detection and analysis of elements of a metallic nature |
| 01/05/1994 | EP0577258A2 Picture compressing and restoring system and record pattern forming method for a spatial light modulator |
| 01/05/1994 | DE4320691A1 D=A converter with output for driving load - has divider receiving n-bit digital signal and transmitting at one output partial digital data |
| 01/05/1994 | CN1080451A Digital-to-analog converter distortion compensation |
| 01/04/1994 | US5276722 Absolute multi-revolution encoder |
| 01/04/1994 | US5276446 Analog-to-digital converter with error signal compensation and method for its operation |
| 12/28/1993 | US5274741 Speech coding apparatus for separately processing divided signal vectors |
| 12/28/1993 | US5274569 Dual sense non-differencing digital peak detector |
| 12/28/1993 | US5274377 Pipelined A/D converter |
| 12/28/1993 | US5274376 Multi-mode digital to analog converter and method |
| 12/28/1993 | US5274375 Delta-sigma modulator for an analog-to-digital converter with low thermal noise performance |
| 12/28/1993 | US5274373 Digital analog converter |
| 12/23/1993 | WO1993026092A1 Cmos current steering circuit |
| 12/22/1993 | EP0574812A2 Analog-digital conversion method |
| 12/21/1993 | US5272655 Sample rate converting filter |
| 12/21/1993 | US5272481 Successive approximation analog to digital converter employing plural feedback digital to analog converters |
| 12/21/1993 | US5272480 Track and hold circuit with continuously suppressed Josephson effect |
| 12/21/1993 | US5272479 Superconductive analog to digital converter |
| 12/21/1993 | US5272461 Coding circuit |
| 12/21/1993 | US5272451 Clock reproducing circuit for eliminating an unnecessary spectrum |
| 12/21/1993 | US5272432 DAC current source with stabilizing bias |
| 12/16/1993 | DE4311548A1 Serial analogue=digital converter - uses comparison of analogue value obtained form series conversion register bits and analogue input |
| 12/15/1993 | EP0574250A2 1-Bit D/A converter |
| 12/15/1993 | EP0573472A1 Analogue and digital convertors |
| 12/15/1993 | EP0573409A1 Interpolative analog/digital converter for band-pass signals. |
| 12/14/1993 | US5270716 For generating offset values |
| 12/14/1993 | US5270715 Multichannel D/A converter |
| 12/09/1993 | WO1993025016A1 Dynamic loader |
| 12/09/1993 | WO1993025006A1 D/a converter and a/d converter |
| 12/09/1993 | WO1993025002A1 Dynamically selectable multimode pulse width modulation system |
| 12/09/1993 | WO1993024999A1 Dual edge pulse width modulation system |
| 12/08/1993 | EP0573216A2 CELP vocoder |
| 12/08/1993 | EP0573215A2 Vocoder synchronization |
| 12/08/1993 | EP0573156A1 Optical isolation amplifier with sigma-delta modulation |
| 12/08/1993 | EP0572974A1 Harmonic distortion compensation circuit |
| 12/07/1993 | US5268688 Linear signal reconstruction system and method |
| 12/05/1993 | CA2095882A1 Voice messaging synchronization |
| 12/02/1993 | DE4217498A1 Angular position encoder - has encoding plate with incremental markings, and combines coarse and fine angle signals to produce absolute angle signal |
| 12/01/1993 | EP0572294A1 Input signal delimiter for an analogue-to-digital converter |
| 11/30/1993 | US5267095 Digital reconstructing of harmonics to extend band of frequency response |
| 11/30/1993 | US5266952 Feed forward predictive analog-to-digital converter |
| 11/30/1993 | US5266951 Analog to digital converter calibration system and method of operation |
| 11/30/1993 | US5266908 Multiple clock signal generator apparatus |
| 11/30/1993 | CA2004317C Successive comparison type analog-to-digital converting apparatus |